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N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide

Also known as: N-[(4-chlorophenyl)methylidene]-4-methylbenzenesulfonamide, Benzenesulfonamide, N-[(4-chlorophenyl)methylene]-4-methyl-, (NZ)-N-[(4-chlorophenyl)methylidene]-4-methylbenzenesulfonamide, p-ClC6H4CH=NTs

N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide (CAS 3157-65-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C14H12ClNO2S and a molecular weight of 293.76900 g/mol. Key property: a melting point of 175-180℃. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3157-65-1
Jingsj CID
J-1522729-9
Molecular Formula
C14H12ClNO2S
Molecular Weight
293.76900 g/mol
Category
Organic Bases
Last updated
8/21/2026
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Physicochemical Properties

Melting Point175-180℃
Exact Mass293.02800
PSA54.88000
LogP4.53700

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2935009090
Summary2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide?

The CAS number of N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide is 3157-65-1.

What are the molecular formula and molecular weight of N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide?

N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide has molecular formula C14H12ClNO2S and molecular weight 293.76900 g/mol.

Is N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide hazardous?

N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide?

For N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide, Upstream Products: 4-Chlorobenzaldehyde, p-Toluenesulfonamide, Chloramine-T; Downstream Products: (E)-2-(4-Chlorostyryl)quinoline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "N-(4-Chlorobenzylidene)-4-methylbenzenesulfonamide (CAS 3157-65-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522729-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.